XML 79 R43.htm IDEA: XBRL DOCUMENT v3.25.3

Description of Business and Basis of Presentation (Details)	Sep. 30, 2025 stores
Product Information [Line Items]
Number of stores	2,200
Express Care
Product Information [Line Items]
Number of stores	240

X

- Definition

Represents the number of stores.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfStores
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ProductInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_ProductOrServiceAxis=vvv_ExpressCareMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: